// @(#)FiniteQueueImpl.java   11/2003
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package drcl.util.queue;

/** Base class for implementing a queue with finite length. */
public abstract class FiniteQueueImpl extends QueueImpl implements FiniteQueue
{
  int capacity = Integer.MAX_VALUE;

  public void FiniteQueueImpl()
  {}

  public void FiniteQueueImpl(int capacity_)
  { capacity = capacity_; }

  public int getCapacity()
  { return capacity; }

  public void setCapacity(int cap_)
  { capacity = cap_; }

  /** Returns true if this queue is full. */
  public boolean isFull()
  { return getLength() == capacity; }


  public void duplicate(Object source_)
  {
    super.duplicate(source_);
    FiniteQueueImpl q_ = (FiniteQueueImpl)source_;
    capacity = q_.capacity;
  }
}
